should landmark
Regular verb: landmark - landmarked- landmarked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should landmark
you should landmark
he should landmark
we should landmark
you should landmark
they should landmark 	I should be landmarking
you should be landmarking
he should be landmarking
we should be landmarking
you should be landmarking
they should be landmarking	I should have landmarked
you should have landmarked
he should have landmarked
we should have landmarked
you should have landmarked
they should have landmarked	I should have been landmarking
you should have been landmarking
he should have been landmarking
we should have been landmarking
you should have been landmarking
they should have been landmarking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not landmark
you should not landmark
he should not landmark
we should not landmark
you should not landmark
they should not landmark 	I should not be landmarking
you should not be landmarking
he should not be landmarking
we should not be landmarking
you should not be landmarking
they should not be landmarking	I should not have landmarked
you should not have landmarked
he should not have landmarked
we should not have landmarked
you should not have landmarked
they should not have landmarked	I should not have been landmarking
you should not have been landmarking
he should not have been landmarking
we should not have been landmarking
you should not have been landmarking
they should not have been landmarking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I landmark?
should you landmark?
should he landmark?
should we landmark?
should you landmark?
should they landmark? 	should I be landmarking?
should you be landmarking?
should he be landmarking?
should we be landmarking?
should you be landmarking?
should they be landmarking? 	should I have landmarked?
should you have landmarked?
should he have landmarked?
should we have landmarked?
should you have landmarked?
should they have landmarked? 	should I have been landmarking?
should you have been landmarking?
should he have been landmarking?
should we have been landmarking?
should you have been landmarking?
should they have been landmarking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not landmark?
should you not landmark?
should he not landmark?
should we not landmark?
should you not landmark?
should they not landmark? 	should I not be landmarking?
should you not be landmarking?
should he not be landmarking?
should we not be landmarking?
should you not be landmarking?
should they not be landmarking? 	should I not have landmarked?
should you not have landmarked?
should he not have landmarked?
should we not have landmarked?
should you not have landmarked?
should they not have landmarked? 	should I not have been landmarking?
should you not have been landmarking?
should he not have been landmarking?
should we not have been landmarking?
should you not have been landmarking?
should they not have been landmarking?